Light and outstanding air permeability 1. Size: 175mm x 95mm 2. Composition: Non-Woven Fabric, Melt Blown filter, Steel Wire, Earloop (3 Layers) 3. FDA Class 2 4. ASTM Level 3 5. Format: Flat type 6. Purpose of use: Prevent infection, Medical(Surgical) 7. Filter Performance: 99.9% particle blocking capability 8. Key consumers: High risk COVID-19 group, patients and workers at medical institutions (include OR)
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